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How to handle screen orientation change when progress dialog and background thread active?
.... The dialog is dismissed on the handler. This all works fine, except when screen orientation changes while the dialog is up (and the background thread is going). At this point the app either crashes, or deadlocks, or gets into a weird stage where the app does not work at all until all the threads h...
How To fix white screen on app Start up?
I have an android app which displays a white screen for 2 seconds on startup. My other apps don't do this, but this one does. I have also implemented a splashscreen with the hope that it would fix this. Should I increase my splash screen sleep time?
Thanks.
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Is there a way to programmatically scroll a scroll view to a specific edit text?
... the best way to scroll to a given rectangle is via View.requestRectangleOnScreen(Rect, Boolean). You should call it on a View you want to scroll to and pass a local rectangle you want to be visible on the screen. The second parameter should be false for smooth scrolling and true for immediate scrol...
Is there a way to make R beep/play a sound at the end of a script?
... Sorry Mario but that does not help at all. If I can see the screen then I can most certainly tell when it's done. I don't need to output anything more. I was looking for something audible. Sorry I dinged your answer (can't seem to undo that).
– Maiasaura
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Get the device width in javascript
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You can get the device screen width via the screen.width property.
Sometimes it's also useful to use window.innerWidth (not typically found on mobile devices) instead of screen width when dealing with desktop browsers where the window size is often...
Assign width to half available screen width declaratively
Is it possible to assign a widget width to half the available screen width, and do it using declarative xml?
5 Answers
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...文件）。不幸的是，此版本的演示忽略了纹理输入并使用默认纹理。我们将纹理文件操作保留在 aia 文件和下面的块图像中，因此当我们升级 MITVRHelper 时，您可以看到它以供将来参考。模型使用 ActivityStarter 的 DataUri 属性指定。...
How to set text size of textview dynamically for different screens [duplicate]
...ed it on samsung tablet and found that the font size is too small for this screen then I changed the textsize to 25 but it is too big for an emulator(480*800). My problem is to set text size dynamically so that it fits for all the screens.
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What is the difference between .text, .value, and .value2?
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.Text gives you a string representing what is displayed on the screen for the cell. Using .Text is usually a bad idea because you could get ####
.Value2 gives you the underlying value of the cell (could be empty, string, error, number (double) or boolean)
.Value gives you the same as ....
Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...can't help but touch on it...
In short, they are used to define at which screen size that class should apply:
xs = extra small screens (mobile phones)
sm = small screens (tablets)
md = medium screens (some desktops)
lg = large screens (remaining desktops)
Read the "Grid
Options"
chapter...